@book{215402,
	author = {Johnson, Christopher C. and ebrary, Inc.},
	title = {Mapping the chemical environment of urban areas},
	publisher = {Wiley-Blackwell,},
	year = {2011.},
	address = {Chichester, West Sussex ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10510269}
}